Locomotive exhaust-nozzle.



PATENTED JULY 11, 1905.

J. K. BOOTH. LGOMOTIVE EXHAUST NOZZLE.

APPLIOATION FILED FEB. 13. 1904.

HITHHHH l-.llll JIIFIII WITNESSES INVENTOR Unire STATES Patented July11, 1905.

ATENT ENCE.

JAMES K. BOOTH, OF GREENVILLE, PENNSYLVANIA, ASSIGNOR OF ONE- HALF TOJAMES E. COOK, OF GREENVILLE, PENNSYLVANIA.

LOCOIVIOTIVE EXHUST-NOZZLE.

SPECIFICATION forming part of Letters Patent No. 794,214, dated July l1,1905.

Application filed February 13, 1904. Serial No, 193,412.

.'0 CLM ill/1.0711; 'zit 71mg/ concern-.-

Be it known that I, JAMES K. BooTi-I, of Greenville, Mercer county,Pennsylvania, have invented a new and useful Locomotive Exhaust-Nozzle,of which the following is a full, clear, and exact description,reference being had to the accompanying drawings, forming part of thisspecification, in which- Figure 1 shows my exhaust-nozzle applied tothefront end of a locomotive, the parts of the latter being indicated bydotted lines. Fig. 2 is a plan View of the nozzle on a larger scale. IIIIII of Fig. 2, and Fig. 4 is a modification.

The purpose of my invention is to provide an exhaust-nozzle forlocomotives which shall be more eiiicient than the nozzles heretoforeemployed and will cause a regular and efficient distribution of steaminto the stack, producing thereby better combustion of fuel and moreuniform results.

My apparatus is simple in construction and is easily applied to any ofthe exhaust-boxes now in common use, so that it does not requirereiitting ofthe engine in order to install it.

In the drawings, 2 represents the front tubevsheet of the locomotive, 3is the smoke-box,

4 is the petticoat-pipe, and 5 is the stack.

6 is the exhaust-box, which may be of any usual or suitableconstruction, and 7 is the nozzle of my invention, which I apply to thisbox. This nozzle consists of a casting comprising two concentricportions b c, circular in cross-section in order to conform to the usualshape of the top of the exhaust-box 6. The part L is annular in form, soas to iit within the mouth of the exhaust-box, and has a flange CZ,which rests on top of the box. The central concentric portion c isconoidal in form, the apex being directed downwardly, so that it affordsan annular tapering passage leading from theinterior of the exhaust-boxto the top thereof. The parts Z; and c are held together by integralcross-pieces e. The nozzle thus affords an annular outlet for the steamFig. 3 is a vertical section on the line,

coming from the exhaust-box, and the conical portion o acts as adelector to distribute and deiieet the exhaust-steam and to deliveritregularly in the most eliicient manner into the petticoat-pipe.

In the modiiication shown in Fig. 4 instead of adapting the part Z) tofit within the top of the exhaust-box 6 I arrange it to extend above thesame and apply the nozzle to the exhaustbox by means of a circularcollar f, which fits around the exterior of the exhaust-box.

In Fig. l I show the exhaust-box 6 divided at the lower portion with apartition 8, separating the exhaust from the two cylinders of theengine; but this, though desirable, is not essential to my invention.

rThe size of the annular opening of the exhaust may be changed to suitthe particular purpose to which it is to be applied. The nozzle can bemade of from fifteen to twentyfour pounds in weight, so that it is cheapto manufacture and easy to apply. Its use results in a saving of fueland in a reduction of the back pressure of the exhaust.

Within the scope of my invention as defined in the claim modificationsmay be made by those skilled in the art, since What I claim is- Anexhaust-nozzle comprising an annular nozzle part adapted to be iitted tothe top of an exhaust-box, the walls of said part converging to the top,a central cone of conoidal form within the nozzle and having its apexbelow the top thereof and forming an annular exhaust-passage graduallyand continuously converging toward the top, and cross-pieces connectingthe nozzle and central cone, the said parts being' integ'ral with eachother, substantially as described.

In testimony whereof I have hereunto set my hand.

JAMES K. BOOTH.

Witnesses:

C. Rusn BEATTY, Jr., FRED W. MOSER.

